added header comments briefly describing each tool

bindat_to_gcdl.c

@@ -1,3 +1,14 @@
+/*
+ * PSO EP1&2 (Gamecube) Quest .bin/.dat File to Download/Offline .qst File Converter
+ *
+ * This tool will take PRS-compressed quest .bin/.dat files and process them into a working .qst file that can be
+ * served up by a PSO server as a "download quest" which will be playable offline from a Gamecube memory card.
+ *
+ * Note that .qst files created in this way cannot be used as "online" quests.
+ *
+ * Gered King, March 2021
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>

decrypt_packets.c

@@ -1,3 +1,17 @@
+/*
+ * PSO EP1&2 (Gamecube) Client/Server Packets Decrypter Tool
+ *
+ * This tool was made for myself as part of an investigative effort to figure out the undocumented "magic" behind
+ * what PSO servers have done behind the scenes to prepare .bin/.dat quest files into something that works as an
+ * offline/download quest which is playable from a Gamecube memory card.
+ *
+ * Given two binary files containing server->client and client->server packet data (separately), as long as the
+ * packet data was captured from the very beginning of the connection, this will decrypt the packet data and display
+ * it as raw packets.
+ *
+ * Gered King, March 2021
+ */
+
 #include <stdio.h>
 #include <stdint.h>
 #include <malloc.h>

gen_qst_header.c

@@ -1,3 +1,15 @@
+/*
+ * PSO EP1&2 (Gamecube) .qst Header Generator Tool
+ *
+ * Given a set of input .bin/.dat quest files, this will automatically generate .hdr files for each appropriate for
+ * a .qst file containing these .bin/.dat files.
+ *
+ * This tool was originally made to supplement the "qst_tool" found here https://github.com/Sylverant/pso_tools
+ * which has somewhat primitive support for automatically generating .qst header information.
+ *
+ * Gered King, March 2021
+ */
+
 #include <stdio.h>
 #include <stdint.h>
 #include <malloc.h>